Adjusting device, particularly for a vehicle seat

An adjusting device for performing at least one adjusting function, particularly for adjusting a motor vehicle seat comprising:

• a drive, which has a drive device, an actuator, a plurality of planetary gears rotatably coupled to the actuator, and an output, wherein the drive device provides torque to the output via the plurality of planetary gears;
• a braking device configured to interact with the actuator, wherein the braking device at least partially blocks torque of the output from acting on the drive device;
• and
• at least one spring device arranged between the drive and the braking device, wherein the braking device comprises a braking part, the at least one spring device is arranged between the actuator and the braking device, the actuator comprises a first recess, the braking part comprises a second recess, the at least one spring device is disposed within the first recess and the second recess, and the adjusting device does not include a rolling contact element arranged between the drive and the braking device;
• wherein while a torque is exerted on the actuator, the at least one spring device is deformed elastically until a first engagement device of the actuator rests against a second engagement device of the braking part, and while the torque is not exerted on the actuator, the first engagement device is in a starting position and does not rest against the second engagement device and the at least one spring device is not deformed elastically.